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arrlu82
Contributor
Contributor

IPv6 Support for vMkernel (SAME VLAN)

Hi Experts Here

   i like to get help from You guys regardings with the problem assigning two IPv6 address (Same VLAN/Prefix)  to the VMkernel Interface on ESXI 5.0. Below is the senario and your advise are really be appecirated.

vSphere Servers configure with  following vSwitch Configuraitons.

vSwitch Type
Purpose
PortGroup

Physical NIC

Teaming

Standard vSwitch 0Mgmt and vMotion

vmk1 =Mgmt1 and vMotion1[active]    (VLAN 121)

vmk2 =Mgmt2 and vMotion2[standby] (VLAN 121)

vmnic0/vmnic2
Distrubuted vSwitch 1VM TrafficVST VLAN tagging on dVS for all dVS portgroups.

vmnic1/vmnic3

vmnic5/vmnic7

Standard vSwitch 1DMZ VM trafficVM traffic for DMZ VMsvmnic4/vmic6

I can sussessfully set IPv4 for both vmkernel interface but my problem came across when assigning IPv6 for VMkernels. When set IPv6 address for btoh vmkernel , i found that  i can only managed to ping (both normal ping and vmkping)  one of the Vmkernel IPv6 adderss. the remaining vmkernel was not reachable. But if both vMkenrel move to dVS and assign different VLAN for vmk1 and vmk2, found that managed to ping. Is there any VMware limitation on vmkernel setting IPv6 within same VLAN/Prefix.

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